Suggestions

Sooo I got 88% in SSC 2 (not proud) tho I did it without any physical help (I.e tuitions or academy) the main reason for that is because I study at my own time sometimes during the day sometimes at night I can’t manage a fix time. Now I have choosed Fsc pre engineering in collage and I want to increase my performance. Do you think I should hire a tutor or join an academy or by working hard for the start (like from tomorrow or today) I can do it myself?